/*
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version
  2 of the License, or (at your option) any later version.
*/

#include <QContextMenuEvent>
#include <QMenu>
#include <QAction>
#include <QKeyEvent>
#include <QModelIndex>
#include <QRegExp>
#include <QDirModel>
#include <QSortFilterProxyModel>
#include <QDebug>

#include "fileview.h"
#include "messagedialog.h"

FileView::FileView(QWidget *parent) : QTreeView(parent) {
	setRootIsDecorated(false);
	mMarkDialog = new MessageDialog(tr("Enter pattern to mark"), this);
	connect(mMarkDialog, SIGNAL(accepted()), this, SLOT(doMark()));
}

void FileView::markFiles(){
	mMarkDialog->show();
}

void FileView::unmarkFiles(){
	selectionModel()->clearSelection();
}

void FileView::doMark(){
	int rowCount = model()->rowCount(rootIndex());
	QString sRegex = mMarkDialog->text();
	if(rowCount && !sRegex.isEmpty()){
		QRegExp re(sRegex);
		QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(model());
		QDirModel *model = static_cast<QDirModel*>(proxy->sourceModel());
		for(int i = 0; i < rowCount; ++i){
			QModelIndex cur = rootIndex().child(i, 0);
			QModelIndex sCur = proxy->mapToSource(cur);
			if(model->isDir(sCur)){
				continue;
			}
			if(re.indexIn(cur.data().toString()) != -1){
				selectionModel()->select(cur, QItemSelectionModel::Select | QItemSelectionModel::Rows);
			}
		}
	}
}

void FileView::contextMenuEvent(QContextMenuEvent *e){
	QMenu contextMenu(this);
	int ctr(0);
	foreach(QAction *a, actions()){
		contextMenu.addAction(a);
		if(false){
			contextMenu.addSeparator();
		}
		++ctr;
	}
	contextMenu.exec(e->globalPos());
}

void FileView::keyPressEvent(QKeyEvent *e){
	switch(e->key()){
		case Qt::Key_Backspace:
			emit upDir();
			e->accept();
			break;
		default:
			QTreeView::keyPressEvent(e);
	}
}

void FileView::resizeEvent(QResizeEvent *e){
	if(e->size().width() != e->oldSize().width()){
		int width = e->size().width();
		int c1width = width / 2; // * 2;
		setColumnWidth(0, c1width);
	}
}